CN109950800B - Outdoor high-voltage cabinet cable junction box and use method thereof - Google Patents
Outdoor high-voltage cabinet cable junction box and use method thereof Download PDFInfo
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- CN109950800B CN109950800B CN201910256717.5A CN201910256717A CN109950800B CN 109950800 B CN109950800 B CN 109950800B CN 201910256717 A CN201910256717 A CN 201910256717A CN 109950800 B CN109950800 B CN 109950800B
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Abstract
The invention discloses a cable junction box of an outdoor high-voltage cabinet, which comprises a cable chamber and a main pressure relief channel, wherein a unidirectional pressure relief plate is arranged between the cable chamber and the main pressure relief channel, and a bottom plate I and a bottom plate II are arranged at the bottom of the cable chamber; the top and the bottom of the unidirectional pressure relief plate are connected with the side plate of the cable chamber, and a turnover groove is arranged above the unidirectional pressure relief plate; the bottom plate I and the bottom plate II are connected with a bottom plate of the cable chamber through a pressure relief groove; the cable chamber and the main pressure release channel are respectively connected with the door plate II and the door plate I, and rubber sealing strips are arranged between the cable chamber and the door plate II and between the main pressure release channel and the door plate I; the rubber sealing strip is located the cable room and is connected with door plant II, and main pressure release passageway and door plant I junction are double-deck laminating structure. A method of using the junction box is also disclosed. The waterproof performance of the junction box is effectively improved; effectively carry out the pressure release, guarantee the integrality of terminal box.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an outdoor high-voltage cabinet cable junction box and a using method thereof.
Background
The switch cabinet products in the power transmission and distribution control equipment in the power industry are required to be provided with pressure relief channels so as to rapidly discharge high air pressure caused by rapid temperature rise in the cabinet when faults such as short circuit, arcing and the like occur in the normal operation process. The pressure release channel of the traditional switch cabinet product is generally provided with a pressure release window at the top of the switch cabinet, a pressure release plate is covered above the window, two sides of the pressure release plate are fixedly connected to the top plate of the switch cabinet through screws, when the pressure in the switch cabinet rises to impact the pressure release plate in the case of faults such as short circuit, arcing and the like, the pressure release plate is quickly broken to open the pressure release channel, two sides of the pressure release plate are simultaneously fixedly connected, the high-pressure release resistance in the switch cabinet is high, and after the plastic screws on two sides of the pressure release plate are simultaneously broken, the pressure release plate is completely separated from the top plate of the switch cabinet, and is easy to be lifted to fly to cause damage to the periphery; and traditional pressure release channel structure is single, can't satisfy the demand of the quick pressure release of short time. Meanwhile, the pressure release channel of the traditional switch cabinet product has no waterproof function, is only limited to indoor use, and cannot meet the requirement of outdoor use.
Disclosure of Invention
The invention aims to: aiming at the defects and shortcomings of the prior art, the invention provides a waterproof box which can effectively improve the waterproof performance of the junction box; effectively pressure relief is carried out, and the integrity of the junction box is guaranteed.
The technical scheme is as follows: the invention relates to an outdoor high-voltage cabinet cable junction box, which is characterized in that: the device comprises a cable chamber and a main pressure relief channel, wherein a unidirectional pressure relief plate is arranged between the cable chamber and the main pressure relief channel, and a bottom plate I and a bottom plate II are arranged at the bottom of the cable chamber; the top and the bottom of the unidirectional pressure relief plate are respectively connected with the side plate of the cable chamber through a plurality of hexagon bolts and plastic bolts, and a turnover groove is arranged above the unidirectional pressure relief plate; the bottom plate I and the bottom plate II are connected with a bottom plate of the cable chamber through pressure relief grooves, a pressure relief channel is arranged between the bottom plate I and the bottom plate II, and a protective coil is arranged around the pressure relief channel;
the cable chamber and the main pressure relief channel are respectively connected with the door plate II and the door plate I, rubber sealing strips are arranged between the cable chamber and the door plate II and between the main pressure relief channel and the door plate I, and are fixed through a bolt assembly and a blind hole rivet nut; the rubber sealing strip is located at the joint of the cable chamber and the door plate II, and the joint of the main pressure relief channel and the door plate I is of a double-layer laminating structure.
The cable chamber and the top of the main pressure relief channel are provided with a plurality of hanging rings, and the hanging rings are connected with the cable chamber and the top plate of the main pressure relief channel through blind hole rivet nuts.
The hexagonal bolt penetrates through the unidirectional pressure release plate, the cable chamber side plate and is movably connected with a nut on the other side of the cable chamber side plate, and a gasket is arranged between the cable chamber and the nut.
The plastic bolts penetrate through the unidirectional pressure release plate, the cable chamber side plates and are movably connected with nuts on the other sides of the cable chamber side plates, and gaskets are arranged between the cable chamber and the nuts.
Wherein, door plant II top be equipped with a plurality of handle.
The invention discloses a use method of an outdoor high-voltage cabinet cable junction box, which is characterized by comprising the following steps of: comprising the following steps:
(1) The main pressure release channel is used for releasing pressure of the bus chamber in an arcing way, and the main pressure release channel is sealed with the door plate I through a rubber sealing strip of a double-layer laminating structure;
(2) The cable chamber is subjected to arc burning pressure relief through a pressure relief channel, a protective coil is arranged around the pressure relief channel, and when the pressure of the cable chamber exceeds 1MPa, a unidirectional pressure relief plate, a bottom plate I and a bottom plate II are punched out for pressure relief; the cable chamber is sealed with the door panel II through a rubber sealing strip with a double-layer bonding structure;
(3) The unidirectional pressure relief plate is turned inwards to the main pressure relief channel and is used in combination with the main pressure relief channel to finish pressure relief operation.
When the unidirectional pressure relief plate in the step (2) is punched, the plastic bolt is sprung, and the unidirectional pressure relief plate is folded under the guidance of the folding groove.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages: the waterproof structure effectively improves the waterproof performance of the junction box, is waterproof in multiple layers and is convenient to use outdoors. The invention can effectively release pressure, ensure the integrity of the junction box and avoid the problems of explosion and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the one-way pressure relief plate of the present invention;
FIG. 3 is a schematic diagram of the structures of the bottom plate I and the bottom plate II of the present invention;
fig. 4 is a schematic structural view of a door panel I and a door panel II according to the present invention;
fig. 5 is a schematic structural view of the bolt assembly of the present invention.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and the specific embodiments.
The invention relates to a cable junction box of an outdoor high-voltage cabinet, which comprises a cable chamber 1 and a main pressure relief channel 2, wherein a unidirectional pressure relief plate 3 is arranged between the cable chamber 1 and the main pressure relief channel 2, and a bottom plate I4 and a bottom plate II5 are arranged at the bottom of the cable chamber 1; the top and the bottom of the unidirectional pressure release plate 3 are respectively connected with the side plate of the cable chamber 1 through a plurality of hexagon bolts 6 and plastic bolts 7, and a turnover groove 8 is arranged above the unidirectional pressure release plate 3; the bottom plate I4 and the bottom plate II5 are connected with the bottom plate of the cable chamber 1 through the pressure relief groove 11, a pressure relief channel 10 is arranged between the bottom plate I4 and the bottom plate II5, and a protective coil 9 is arranged around the pressure relief channel 10; the cable chamber 1 and the main pressure relief channel 2 are respectively connected with the door plate II13 and the door plate I12, rubber sealing strips 16 are respectively arranged between the cable chamber 1 and the door plate II13 and between the main pressure relief channel 2 and the door plate I12 and are fixed through a bolt assembly 14 and a blind hole rivet nut 17; the rubber sealing strip 16 is positioned at the joint of the cable chamber 1 and the door plate II13, and the joint of the main pressure relief channel 2 and the door plate I12 is of a double-layer laminating structure. The cable chamber 1 and the top of the main pressure relief channel 2 are provided with a plurality of hanging rings, and the hanging rings are connected with the cable chamber 1 and the top plate of the main pressure relief channel 2 through blind hole rivet nuts 17; the hexagon bolt 6 and the plastic bolt 7 penetrate through the unidirectional pressure release plate 3 and the side plate of the cable chamber 1 and are movably connected with a nut on the other side of the side plate of the cable chamber 1, and a gasket is arranged between the cable chamber 1 and the nut; a plurality of handles 15 are arranged above the door plate II 13.
The invention discloses a use method of an outdoor high-voltage cabinet cable junction box, which comprises the following steps:
(1) The main pressure release channel 2 is used for releasing pressure of the bus chamber in an arcing way, and the main pressure release channel 2 is sealed between the main pressure release channel 2 and the door plate I12 through a rubber sealing strip 16 with a double-layer laminating structure;
(2) The cable chamber 1 is subjected to arcing pressure relief through a pressure relief channel 10, a protective coil 9 is arranged around the pressure relief channel 10, and when the pressure of the cable chamber 1 exceeds 1MPa, the unidirectional pressure relief plate 3, the bottom plate I4 and the bottom plate II5 are punched for pressure relief; the cable chamber 1 is sealed between the cable chamber 1 and the door plate II13 through a rubber sealing strip 16 with a double-layer bonding structure; when the unidirectional pressure release plate 3 is opened, the plastic bolt 7 is sprung, and the unidirectional pressure release plate 3 is folded under the guidance of the folding groove 8;
(3) The unidirectional pressure release plate 3 is turned inwards to the main pressure release channel 2 and is combined with the main pressure release channel 2 to finish pressure release operation.
The invention relates to a cable junction box of an outdoor high-voltage cabinet, which is designed completely, aims at the arcing condition of the junction box during outdoor work, and has the timely and efficient pressure relief function.
Specifically, the cable chamber 1 and the top of the main pressure relief channel 2 of the junction box are provided with a plurality of hanging rings, and the hanging rings are connected with the cable chamber 1 and the top plate of the main pressure relief channel 2 through blind hole blind rivet nuts 17.
The rubber sealing strip 16 is of a double-layer laminating structure, double-layer sealing strips are used for double-layer protection, particularly, water is easy to accumulate and permeate at the fixed positions of bolts and nuts, and the waterproof sealing strip has good waterproof performance.
In conclusion, the waterproof performance of the junction box is effectively improved, and the junction box is waterproof in multiple layers and is convenient to use outdoors.
Specifically, the cable chamber 1 and the main pressure release channel 2 are separated, the main pressure release channel 2 is used for releasing pressure of the arcing of the bus chamber, and the pressure release channel 10 is used for releasing pressure of the arcing of the cable chamber 1, so that the effect of independent pressure release can be achieved; simultaneously, when the accident happens and the pressure of the cable chamber 1 exceeds 1MPa, the unidirectional pressure relief plate 3, the bottom plate I4 and the bottom plate II5 are simultaneously opened, and the combined use and the combined pressure relief are carried out by the aid of the main pressure relief channel 2, so that the pressure relief operation is accelerated.
Meanwhile, the unidirectional pressure release plate 3 is a unidirectional plate and can only turn to the main pressure release channel 2, when the unidirectional pressure release plate 3 is opened, the plastic bolt 7 is opened, the unidirectional pressure release plate 3 is folded under the guidance of the folding groove 8, the unidirectional pressure release plate 3 is convenient to rotate, and the joint use of the cable chamber 1 and the main pressure release channel 2 is completed.
In conclusion, the invention can effectively release pressure, ensure the integrity of the junction box and avoid the problems of explosion and the like.
Claims (7)
1. Outdoor high-voltage board cable junction box, its characterized in that: the device comprises a cable chamber (1) and a main pressure relief channel (2), wherein a unidirectional pressure relief plate (3) is arranged between the cable chamber (1) and the main pressure relief channel (2), and a bottom plate I (4) and a bottom plate II (5) are arranged at the bottom of the cable chamber (1); the top and the bottom of the unidirectional pressure release plate (3) are respectively connected with the side plate of the cable chamber (1) through a plurality of hexagon bolts (6) and plastic bolts (7), and a turnover groove (8) is arranged above the unidirectional pressure release plate (3); the bottom plate I (4) and the bottom plate II (5) are connected with the bottom plate of the cable chamber (1) through the pressure relief groove (11), a pressure relief channel (10) is arranged between the bottom plate I (4) and the bottom plate II (5), and a protective coil (9) is arranged around the pressure relief channel (10);
the cable chamber (1) and the main pressure release channel (2) are respectively connected with the door plate II (13) and the door plate I (12), rubber sealing strips (16) are respectively arranged between the cable chamber (1) and the door plate II (13) and between the main pressure release channel (2) and the door plate I (12), and are fixed through a bolt assembly (14) and a blind hole rivet nut (17); the rubber sealing strip (16) is located at the joint of the cable chamber (1) and the door plate II (13), and the joint of the main pressure relief channel (2) and the door plate I (12) is of a double-layer laminating structure.
2. The outdoor high-voltage cabinet cable junction box of claim 1, wherein: the cable chamber (1) and the top of the main pressure relief channel (2) are provided with a plurality of hanging rings, and the hanging rings are connected with the cable chamber (1) and the top plate of the main pressure relief channel (2) through blind hole rivet nuts (17).
3. The outdoor high-voltage cabinet cable junction box of claim 1, wherein: the hexagonal bolt (6) penetrates through the unidirectional pressure release plate (3) and the side plate of the cable chamber (1) and is movably connected with a nut on the other side of the side plate of the cable chamber (1), and a gasket is arranged between the cable chamber (1) and the nut.
4. The outdoor high-voltage cabinet cable junction box of claim 1, wherein: the plastic bolt (7) penetrates through the unidirectional pressure release plate (3) and the side plate of the cable chamber (1) and is movably connected with a nut on the other side of the side plate of the cable chamber (1), and a gasket is arranged between the cable chamber (1) and the nut.
5. The outdoor high-voltage cabinet cable junction box of claim 1, wherein: a plurality of handles (15) are arranged above the door plate II (13).
6. The method of using an outdoor high-voltage cabinet cable junction box according to any one of claims 1 to 5, wherein: comprising the following steps:
1) The main pressure release channel (2) is used for releasing pressure on the arcing of the bus chamber, and the main pressure release channel (2) is sealed between the main pressure release channel (2) and the door plate I (12) through a rubber sealing strip (16) with a double-layer laminating structure;
2) The cable chamber (1) is subjected to arcing and pressure relief through a pressure relief channel (10), a protective coil (9) is arranged around the pressure relief channel (10), and when the pressure of the cable chamber (1) exceeds 1MPa, the unidirectional pressure relief plate (3), the bottom plate I (4) and the bottom plate II (5) are punched for pressure relief; the cable chamber (1) is sealed with the door plate II (13) through a rubber sealing strip (16) with a double-layer bonding structure;
3) The unidirectional pressure release plate (3) is inwards folded towards the main pressure release channel (2) and is used in combination with the main pressure release channel (2) to finish pressure release operation.
7. The method for using the cable junction box for the outdoor high-voltage cabinet according to claim 6, wherein the method comprises the following steps: when the unidirectional pressure relief plate (3) of the step (2) is opened, the plastic bolt (7) is sprung, and the unidirectional pressure relief plate (3) is folded under the guidance of the folding groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910256717.5A CN109950800B (en) | 2019-04-01 | 2019-04-01 | Outdoor high-voltage cabinet cable junction box and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910256717.5A CN109950800B (en) | 2019-04-01 | 2019-04-01 | Outdoor high-voltage cabinet cable junction box and use method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN109950800A CN109950800A (en) | 2019-06-28 |
| CN109950800B true CN109950800B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910256717.5A Active CN109950800B (en) | 2019-04-01 | 2019-04-01 | Outdoor high-voltage cabinet cable junction box and use method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117856076A (en) * | 2024-03-06 | 2024-04-09 | 福州许继电气有限公司 | Novel KYN cubical switchboard pressure release structure |
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| CN202363801U (en) * | 2011-11-27 | 2012-08-01 | 天水长城开关厂有限公司 | Pressure release channel of air inflation cabinet |
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| CN203760898U (en) * | 2014-01-20 | 2014-08-06 | 吉林永大集团股份有限公司 | Switch cabinet arc fault pressure relieving device |
| CN204216426U (en) * | 2014-11-01 | 2015-03-18 | 江苏华通电气科技有限公司 | Armored central enclosed AC metal switch apparatus |
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| CN106848867A (en) * | 2017-03-09 | 2017-06-13 | 泰豪科技股份有限公司 | A kind of solid insulation isolates PT cabinets |
| JP2017143717A (en) * | 2016-02-08 | 2017-08-17 | 株式会社明電舎 | Switchboard |
| CN109346938A (en) * | 2018-11-30 | 2019-02-15 | 江苏其厚智能电气设备有限公司 | A kind of miniaturization preassembled transformer station high-voltage board cable vault |
| CN210052995U (en) * | 2019-04-01 | 2020-02-11 | 江苏电科电气设备有限公司 | Outdoor high-voltage cabinet cable junction box |
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2019
- 2019-04-01 CN CN201910256717.5A patent/CN109950800B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363801U (en) * | 2011-11-27 | 2012-08-01 | 天水长城开关厂有限公司 | Pressure release channel of air inflation cabinet |
| CN202997360U (en) * | 2012-11-30 | 2013-06-12 | 天水长城开关厂有限公司 | Large current cabinet handcart chamber heat-dissipation and pressure-release device |
| CN203760898U (en) * | 2014-01-20 | 2014-08-06 | 吉林永大集团股份有限公司 | Switch cabinet arc fault pressure relieving device |
| CN204216426U (en) * | 2014-11-01 | 2015-03-18 | 江苏华通电气科技有限公司 | Armored central enclosed AC metal switch apparatus |
| JP2017143717A (en) * | 2016-02-08 | 2017-08-17 | 株式会社明電舎 | Switchboard |
| CN206116992U (en) * | 2016-09-22 | 2017-04-19 | 南通法瑞电气有限公司 | Can remove and put high -pressure gas electric power looped netowrk cabinet device |
| CN106848867A (en) * | 2017-03-09 | 2017-06-13 | 泰豪科技股份有限公司 | A kind of solid insulation isolates PT cabinets |
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| CN210052995U (en) * | 2019-04-01 | 2020-02-11 | 江苏电科电气设备有限公司 | Outdoor high-voltage cabinet cable junction box |
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| CN109950800A (en) | 2019-06-28 |
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